答案:had she?变反义疑问句的原则是:前肯后否,前否后肯.Judy had never been there before she was ten years old.是(主句+时状从)结构,变反义疑问句时,应根据主句来反问,即根据Judy had never been there 来反问,其中含有否定词never,因此属于否定句,应用肯定式反问,过完的助动词为had,故答案为:had she?